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Weather Balloon Data
- Integrated Global Radiosonde Archive (IGRA)
Radiosonde and pilot balloon observations at over 1,500 globally distributed stations for standard, surface, tropopause, and significant levels - Radiosonde Atmospheric Temperature Products for Assessing Climate (RATPAC)
Station and regional-mean time series of temperature anomalies that extend from 1958 to present derived from radiosonde observations taken at globally distributed stations